On Thu, Oct 23, 2008 at 03:10:26PM +0800, Yinghai Lu wrote:
> On Wed, Oct 22, 2008 at 1:42 AM, Yu Zhao <yu.zhao@xxxxxxxxx> wrote:
> > diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
> > index 844df0c..8729bde 100644
> > --- a/arch/x86/pci/i386.c
> > +++ b/arch/x86/pci/i386.c
> > @@ -147,7 +147,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
> > static void __init pcibios_allocate_resources(int pass)
> > {
> > struct pci_dev *dev = NULL;
> > - int idx, disabled;
> > + int idx, enabled;
> > u16 command;
> > struct resource *r, *pr;
> >
> > @@ -160,22 +160,22 @@ static void __init pcibios_allocate_resources(int pass)
> > if (!r->start) /* Address not assigned at all */
> > continue;
> > if (r->flags & IORESOURCE_IO)
> > - disabled = !(command & PCI_COMMAND_IO);
> > + enabled = command & PCI_COMMAND_IO;
> > else
> > - disabled = !(command & PCI_COMMAND_MEMORY);
> > - if (pass == disabled) {
> > - dev_dbg(&dev->dev, "resource %#08llx-%#08llx (f=%lx, d=%d, p=%d)\n",
> > + enabled = command & PCI_COMMAND_MEMORY;
> > + if (pass == enabled)
> > + continue;
>
> it seems you change the flow here for MMIO
> because PCI_COMMAND_MEMORY is 2.
>
> YH
Nice finding! Will change it back to 'disable' next version.
Thanks,
Yu
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